4591691 has 8 divisors (see below), whose sum is σ = 4992624. Its totient is φ = 4197600.

The previous prime is 4591687. The next prime is 4591709. The reversal of 4591691 is 1961954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4591691 - 2² = 4591687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4591621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (624078).

Almost surely, 2^4591691 is an apocalyptic number.

4591691 is a deficient number, since it is larger than the sum of its proper divisors (400933).

4591691 is a wasteful number, since it uses less digits than its factorization.

4591691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421.

The product of its digits is 9720, while the sum is 35.

The square root of 4591691 is about 2142.8231378254. The cubic root of 4591691 is about 166.2101538290.

The spelling of 4591691 in words is "four million, five hundred ninety-one thousand, six hundred ninety-one".